genericparser/pub/utils/jobutil.py

   1 # Copyright 2017 ZTE Corporation.
   2 #
   3 # Licensed under the Apache License, Version 2.0 (the "License");
   4 # you may not use this file except in compliance with the License.
   5 # You may obtain a copy of the License at
   6 #
   7 #         http://www.apache.org/licenses/LICENSE-2.0
   8 #
   9 # Unless required by applicable law or agreed to in writing, software
  10 # distributed under the License is distributed on an "AS IS" BASIS,
  11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12 # See the License for the specific language governing permissions and
  13 # limitations under the License.
  14 import datetime
  15 import logging
  16 import uuid
  17 import traceback
  18
  19 from genericparser.pub.database.models import JobStatusModel, JobModel
  20 from genericparser.pub.utils import idutil
  21
  22 logger = logging.getLogger(__name__)
  23
  24
  25 def enum(**enums):
  26     return type('Enum', (), enums)
  27
  28
  29 JOB_STATUS = enum(PROCESSING=0, FINISH=1)
  30 JOB_MODEL_STATUS = enum(STARTED='started', PROCESSING='processing', FINISHED='finished', ERROR='error',
  31                         TIMEOUT='timeout')
  32 JOB_TYPE = enum(CREATE_VNF="create vnf", TERMINATE_VNF="terminate vnf", GRANT_VNF="grant vnf", MANUAL_SCALE_VNF="manual scale vnf",
  33                 HEAL_VNF="heal vnf")
  34
  35
  36 class JobUtil(object):
  37     def __init__(self):
  38         pass
  39
  40     @staticmethod
  41     def __gen_job_id(job_name):
  42         return "%s-%s" % (job_name if job_name else "UnknownJob", uuid.uuid1())
  43
  44     @staticmethod
  45     def query_job_status(job_id, index_id=-1):
  46         # logger.info("Query job status, jobid =[%s], responseid [%d]" % (job_id, index_id))
  47         jobs = []
  48         if index_id < 0:
  49             row = JobStatusModel.objects.filter(jobid=job_id).order_by("-indexid").first()
  50             if row:
  51                 jobs.append(row)
  52         else:
  53             [jobs.append(job) for job in JobStatusModel.objects.filter(jobid=job_id).order_by("-indexid")
  54              if job.indexid > index_id]
  55
  56         # logger.info("Query job status, rows=%s" % str(jobs))
  57         return jobs
  58
  59     @staticmethod
  60     def is_job_exists(job_id):
  61         jobs = JobModel.objects.filter(jobid=job_id)
  62         return len(jobs) > 0
  63
  64     @staticmethod
  65     def create_job(inst_type, jobaction, inst_id, user='', job_id=None, res_name=''):
  66         if job_id is None:
  67             job_id = JobUtil.__gen_job_id(
  68                 '%s-%s-%s' % (str(inst_type).replace(' ', '_'), str(jobaction).replace(' ', '_'), str(inst_id)))
  69         job = JobModel()
  70         job.jobid = job_id
  71         job.jobtype = inst_type
  72         job.jobaction = jobaction
  73         job.resid = str(inst_id)
  74         job.status = JOB_STATUS.PROCESSING
  75         job.user = user
  76         job.starttime = datetime.datetime.now().strftime('%Y-%m-%d %X')
  77         job.progress = 0
  78         job.resname = res_name
  79         logger.debug("create a new job, jobid=%s, jobtype=%s, jobaction=%s, resid=%s, status=%d" %
  80                      (job.jobid, job.jobtype, job.jobaction, job.resid, job.status))
  81         job.save()
  82         return job_id
  83
  84     @staticmethod
  85     def clear_job(job_id):
  86         [job.delete() for job in JobModel.objects.filter(jobid=job_id)]
  87         logger.debug("Clear job, job_id=%s" % job_id)
  88
  89     @staticmethod
  90     def add_job_status(job_id, progress, status_decs, error_code=""):
  91         jobs = JobModel.objects.filter(jobid=job_id)
  92         if not jobs:
  93             logger.error("Job[%s] is not exists, please create job first." % job_id)
  94             raise Exception("Job[%s] is not exists." % job_id)
  95         try:
  96             int_progress = int(progress)
  97             job_status = JobStatusModel()
  98             job_status.indexid = int(idutil.get_auto_id(job_id))
  99             job_status.jobid = job_id
 100             job_status.status = "processing"
 101             job_status.progress = int_progress
 102
 103             if job_status.progress == 0:
 104                 job_status.status = "started"
 105             elif job_status.progress == 100:
 106                 job_status.status = "finished"
 107             elif job_status.progress == 101:
 108                 job_status.status = "partly_finished"
 109             elif job_status.progress > 101:
 110                 job_status.status = "error"
 111
 112             if error_code == "255":
 113                 job_status.status = "error"
 114
 115             job_status.descp = status_decs
 116             # job_status.errcode = error_code
 117             job_status.errcode = error_code if error_code else "0"
 118             job_status.addtime = datetime.datetime.now().strftime('%Y-%m-%d %X')
 119             job_status.save()
 120             logger.debug("Add a new job status, jobid=%s, indexid=%d,"
 121                          " status=%s, description=%s, progress=%d, errcode=%s, addtime=%r" %
 122                          (job_status.jobid, job_status.indexid, job_status.status, job_status.descp,
 123                           job_status.progress, job_status.errcode, job_status.addtime))
 124
 125             job = jobs[0]
 126             job.progress = int_progress
 127             if job_status.progress >= 100:
 128                 job.status = JOB_STATUS.FINISH
 129                 job.endtime = datetime.datetime.now().strftime('%Y-%m-%d %X')
 130             job.save()
 131             logger.debug("update job, jobid=%s, progress=%d" % (job_status.jobid, int_progress))
 132         except:
 133             logger.error(traceback.format_exc())
 134
 135     @staticmethod
 136     def clear_job_status(job_id):
 137         [job.delete() for job in JobStatusModel.objects.filter(jobid=job_id)]
 138         logger.debug("Clear job status, job_id=%s" % job_id)
 139
 140     @staticmethod
 141     def get_unfinished_jobs(url_prefix, inst_id, inst_type):
 142         jobs = JobModel.objects.filter(resid=inst_id, jobtype=inst_type, status=JOB_STATUS.PROCESSING)
 143         progresses = reduce(lambda content, job: content + [url_prefix + "/" + job.jobid], jobs, [])
 144         return progresses